How much caffeine is in 54% dark chocolate?
                                
                                
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                                    4 min read                                
                            
                                According to data from the United States Department of Agriculture (USDA), a 1-ounce serving of dark chocolate with 45–60% cacao contains an average of 12.2 mg of caffeine. As 54% falls within this range, its caffeine level is considered relatively low compared to darker varieties.